> Comparing a cache warm git grep vs command line grep
> shows significant differences in cpu & wall clock.
> 
> Any ideas how to improve this?
> 
> $ time git grep "\bseq_.*%p\W" | wc -l
> 112
> 
> real  0m4.271s
> user  0m15.520s
> sys   0m0.395s
> 
> $ time grep -r --include=*.[ch] "\bseq_.*%p\W" * | wc -l
> 112
> 
> real  0m1.164s
> user  0m0.847s
> sys   0m0.314s

Note that this "regular" grep is limited to *.c and *.h files, while
the above git grep invocation isn't and has to look at all tracked
files.  How does

  git grep "\bseq_.*%p\W" "*.[ch]"

fare?

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